package com.itheima.reggie.controller;

import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import com.itheima.reggie.common.R;
import com.itheima.reggie.common.ConstConstants;
import com.itheima.reggie.entity.Employee;
import com.itheima.reggie.service.EmployeeService;
import lombok.extern.slf4j.Slf4j;
import org.apache.commons.lang.StringUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.util.DigestUtils;
import org.springframework.web.bind.annotation.*;

import javax.servlet.http.HttpServletRequest;
import java.time.LocalDateTime;

@RestController
@Slf4j
@RequestMapping("/employee")
public class EmployeeController {
    @Autowired
    private EmployeeService employeeService;

    @PostMapping("/login")
    public R<Employee> login(HttpServletRequest request, @RequestBody Employee employee){
        //先将用户的密码进行加密
        String password = employee.getPassword();
        password=DigestUtils.md5DigestAsHex(password.getBytes());
        //根据用户名查询数据库
        LambdaQueryWrapper<Employee> queryWrapper = new LambdaQueryWrapper<>();
        queryWrapper.eq(Employee::getUsername,employee.getUsername());
        Employee emp = employeeService.getOne(queryWrapper);
        if(emp==null){
            return R.error("登录失败");
        }
         if(!password.equals(emp.getPassword())){
             return R.error("密码错误");
         }
         if(emp.getStatus()== ConstConstants.USER_IS_FORBID){
             return R.error("账号已禁用");
         }
         request.getSession().setAttribute(ConstConstants.EMPLOYEE_ID_IN_SESSION,emp.getId());
         return R.success(emp);
    }

    @PostMapping("/logout")
    public R<String> logout(HttpServletRequest request){
        request.getSession().removeAttribute(ConstConstants.EMPLOYEE_ID_IN_SESSION);
        return R.success("退出成功");
    }

    @PostMapping
    public R<String> save(HttpServletRequest request,@RequestBody Employee employee){
        employee.setPassword(DigestUtils.md5DigestAsHex(ConstConstants.INITIAL_PASSWORD.getBytes()));
        log.info("新增员工，员工信息{}",employee.toString());
        employeeService.save(employee);
        return R.success("新增员工成功");


    }

    @GetMapping("/page")
    public R<Page>page(int page,int pageSize,String name){
        log.info("page={},pageSize={},name={}",page,pageSize,name);
        Page<Employee> pageInfo=new Page(page,pageSize);
        LambdaQueryWrapper<Employee> queryWrapper=new LambdaQueryWrapper();
        queryWrapper.like(StringUtils.isNotEmpty(name),Employee::getName,name);
        queryWrapper.orderByDesc(Employee::getUpdateTime);
        employeeService.page(pageInfo,queryWrapper);
        return R.success(pageInfo);
    }

    @PutMapping
    public R<String> update(HttpServletRequest request,@RequestBody Employee employee){
        employeeService.updateById(employee);
        return R.success("员工信息修改成功");
    }


    @GetMapping ("/{id}")
    public R<Employee> getById(@PathVariable Long id){
        Employee emp = employeeService.getById(id);
        if(emp!=null){
            return R.success(emp);
        }
        return R.error("没有查询到员工信息");

    }





}
